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447439

Sigma-Aldrich

1-Methyl-L-tryptophan

95%, for peptide synthesis

Synonym(s):

(S)-2-Amino-3-(1-methyl-1H-indol-3-yl)propanoic acid, L-(-)-1-Methyltryptophan

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About This Item

Empirical Formula (Hill Notation):
C12H14N2O2
CAS Number:
21339-55-9
Molecular Weight:
218.25
MDL number:
MFCD00467133
UNSPSC Code:
12352209
PubChem Substance ID:
24868339
NACRES:
NA.22
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Product Name

1-Methyl-L-tryptophan, 95%

Quality Level

100

Assay

95%

form

solid

optical activity

[α]24/D −8.0°, c = 2 in acetic acid

reaction suitability

reaction type: solution phase peptide synthesis

mp

242-245 °C (lit.)

application(s)

peptide synthesis

SMILES string

Cn1cc(C[C@H](N)C(O)=O)c2ccccc12

InChI

1S/C12H14N2O2/c1-14-7-8(6-10(13)12(15)16)9-4-2-3-5-11(9)14/h2-5,7,10H,6,13H2,1H3,(H,15,16)/t10-/m0/s1

InChI key

ZADWXFSZEAPBJS-JTQLQIEISA-N

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Application

1-Methyl-L-tryptophan can be used:
  • In the preparation of L-tryptophan-based ligand for regioselective copper catalyzed N2-arylation of 1,2,3-triazoles.[1]
  • As a key starting material for the total synthesis of (−)-ardeemin.[2]
  • In the synthesis of cyclic peptide-capped gold nanoparticles as drug delivery systems.[3]

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
MKCQ0187
MKCJ1127
MKCC7257
MKCC3400
MKBZ4985V

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Development of a L?Tryptophan?Based Ligand for Regioselective Copper Catalyzed N2?Arylation of 1, 2, 3?Triazoles.
Lopes A B, et al.
ChemistrySelect, 2(22), 6544-6548 (2017)
Total synthesis of (?)-ardeemin.
He B, et al.
The Journal of Organic Chemistry, 74(1), 298-304 (2008)
Cyclic peptide-capped gold nanoparticles as drug delivery systems.
Nasrolahi Shirazi A, et al.
Molecular Pharmaceutics, 10(2), 500-511 (2012)
Stefanie Siegert et al.
PloS one, 6(11), e27618-e27618 (2011-11-24)
Adaptive immune responses are initiated when T cells encounter antigen on dendritic cells (DC) in T zones of secondary lymphoid organs. T zones contain a 3-dimensional scaffold of fibroblastic reticular cells (FRC) but currently it is unclear how FRC influence
Juliana Croitoru-Lamoury et al.
PloS one, 6(2), e14698-e14698 (2011-03-02)
The kynurenine pathway (KP) of tryptophan metabolism is linked to antimicrobial activity and modulation of immune responses but its role in stem cell biology is unknown. We show that human and mouse mesenchymal and neural stem cells (MSCs and NSCs)
View All Related Papers

Questions

1–4 of 4 Questions  

  1. What conditions do you recommend for long term storage of Product No. 447439, 1-Methyl-L-tryptophan?

    1 answer

    1. The long term storage temperature of the product 447139 is at room temperature. This information can be found in the MSDS sheet. This document is available from our website.

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  2. The name of Product No. 447439 is "1-Methyl-L-tryptophan, 95%". How is that purity value determined?

    1 answer

    1. The purity of Product No. 447439 is based on elemental analysis. That is, the assayed values for percent carbon and nitrogen should be within about 95% of their theoretical values. But the speification sheet does not report an overall purity value per se.

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  3. How do you recommend dissolving Product No. 447439, 1-Methyl-L-tryptophan?

    1 answer

    1. This product is soluble in 0.5 N Hydrochloric acid at 50 mg/mL. Based on information from one of our customers (not confirmed in our labs), this product is also soluble in 0.1 N sodium hydroxide at a 20 mM concentration. It is not soluble in DMSO.

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  4. What is the Department of Transportation shipping information for this product?

    1 answer

    1. Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.

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